import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 28779
 * Date: 2023-08-09
 * Time: 10:43
 */
public class JDBC {
    public static void main(String[] args) throws SQLException {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入学号：");
        int student_id = scanner.nextInt();

        DataSource dataSource = new MysqlDataSource();
        ((MysqlDataSource) dataSource).setUrl("jdbc:mysql://127.0.0.1:3306/java1?characterEncoding=utf8&useSSL=false");
        ((MysqlDataSource) dataSource).setUser("root");
        ((MysqlDataSource) dataSource).setPassword("111111");

        Connection connection = dataSource.getConnection();

        String sql = "select * from student where id = ?";
        PreparedStatement statement = connection.prepareStatement(sql);
        statement.setInt(1,student_id);

        ResultSet resultSet = statement.executeQuery();

        while(resultSet.next()) {
            int  id = resultSet.getInt("id");
            String name = resultSet.getString("name");
            System.out.println("id =" + id +" name =" + name);
        }
        resultSet.close();
        statement.close();
        connection.close();
    }
}
